GTAC Observation Log

1. Date : 26/05/2017
2. Observation Sr. No. : 9428
3. Observer : Marsha Wolf, Andrea Vang, Eric Hooper, Eric Wilcots, Sebastian Heinz, Wiphu Rujopakarn, Gelfand, Dominika Wylezalek, Charles T Liu
4. Observer's Email : mwolf@astro.wisc.edu, avang@astro.wisc.edu, ehooper@astro.wisc.edu, ewilcots@astro.wisc.edu, heinzs@astro.wisc.edu, wiphu@as.arizona.edu, jg168@nyu.edu, dwylezalek@jhu.edu, cliu@amnh.org
5. Project Name : A 3D View into the Coevolutionary History of Galaxies and AGN
6. Project Code : 32_054
7. Operator(s) : Navnath, Surender
8. Command File : /odisk/gtac/cmd/32_054/25may17/25may17_obs.cmd
9. LTA File : /gsbifrdata/25may/32_054_25may2017_gsb.lta, /gwbifrdata2/25may/32_054_25may2017_510_400_4k_gwb.lta
10. LogFlag File : /odisk/online1/logflags/32_054.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1_shivneri
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : ON
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : OFF
23. ACQ BW : 33.333333 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 306 306 255 255 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C00 : : GAB Chksum Error .. GWB no fringe. GWB showing fringes.
C05 : : MCM 0 time out
C06 : : Frequently applying brakes in AZ axis.
C14 : : Structural repair work.
E06 : : Not tracking properly.
W04 : : : Elevation brakes
S04 : 175 No fringe.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 25 May 2017 18:00:00 - 26 May 2017 01:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :27

37. Comments (During Observations) :
------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 400.0000
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity

GPU_RF  	: 510  510
GCODE4  	: 32_054
GPU_SB5  	: 1 1
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_GAINEQ  	: ON
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: For 32 inputs
GPU_FILRFI  	: RFI Filterring OFF
--------------------------------
17:55 : MSEDCL power resumed for all 
18:00 : Started setup.
18:20 : GWB with 400mhz and 4k Channel not working.
      : no fringes y arm antennas.
18:25 : Switched to default mode 200 Mhz and 2k channels.
18:30 : Swithched back to 400mhz and 4k channel. Started working.
18:38 : Started scan on 3C286 for 5 min.
18:45 : Started  command file.

       /odisk/gtac/cmd/32_054/25may17/25may17_obs.cmd

19:00 : C00 Started working.
20:05 : Very Strong Fighter Plane RFI in both GSB and GWB data.
20:15 : C00 self power lowered by setting extra GAB attenuation.
21:05 : Fighter plane rfi vanished.
23:46 : E06 released for observation.
23:51 : E04 Servo problem.
00:47 : Stopped command file.
00:49 : Started scan on 3C286.
01:00 : Stopped scan and observing session over.